Screen

Preview

Resource ID

28080

Access

Open

Contributed by

Frederik Wellmann

type of material

A. MS.

description

Existential graphs, the logic of relatives, logical critic, theory of signs, hypothesis and induction, belief and reasoning, generalization, rationale of science, and classification are some of the topics found here. One page is dated September 22, 1860 the remainder are undated and apparently cover several periods of CSP's career.